00326nam a2200133Ia 4500020001500000082002300015100002200038245004100060260002900101300002700130500002500157500000500182700000500187  a1597180335  a518.5425bSt797.SS  aStata Corporation  aStata survey data reference manualb  aTexasbStata Pressc2007  aiv, 171p. Bibl. Index.  a"Stata - Release 10"  a  a